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US Patent: 309,066
Key Seat Cutter
Patentee:
Chauncey A. Lamphere (exact or similar names) - Silver Creek, Chautauqua County, NY

USPTO Classifications:
409/307, 409/334, 74/116

Tool Categories:
metalworking machines : key seating machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Feb. 04, 1884
Granted: Dec. 09, 1884

Patent Pictures:
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